Denne siden viser en oversikt over alle norske arter nakensnegler. Den er presentert i systematisk orden, og viser hvordan de ulike artene er klassifisert etter deres slektskap. Arter som er nærmere omtalt i egne artikler er lenket opp.

Mollusca Cuvier, 1797
Gastropodia Cuvier, 1795
Heterobranchia Haszprunar, 1985
Nudipleura Wägele & Willan, 2000
Nudibranchia Ducrotay-Blainville, 1814

Doridina
Doridoidea Rafinesque, 1815

Dorididae Rafinesque, 1815
Doris nobilis Odhner, 1907
Doris pseudoargus (Rapp, 1827)

Cadlinidae Bergh, 1891
Cadlina glabra (Friele & Hansen, 1876)
Cadlina laevis (Linnè, 1767)
Aldisa zetlandica (Alder & Hancock, 1854)

Discodorididae Bergh, 1891
Geitodoris planata (Alder & Hancock, 1846)
Jorunna tomentosa (Cuvier, 1804)
Rostanga setidens (Odhner, 1939)
Rostanga rubra (Risso, 1818)

Onchidoridoidea Gray, 1827

Calycidorididae Roginskaya, 1972
Calycidoris guentheri Abraham, 1876
Diaphorodoris luteocincta (M. Sars, 1870)

Akiodorididae Millen & Martynov, 2005
Doridunculus echinulatus G. O. Sars, 1878
Echinocorambe brattegardi Valdés & Bouchet, 1998

Goniodorididae H. & A. Adams, 1854
Ancula gibbosa (Risso, 1818)
Goniodoris nodosa (Montagu, 1818)
Goniodoris castanea Alder & Hancock, 1845
Lophodoris danielsseni (Friele & Hansen, 1876)
Okenia pulchella (Alder & Hancock, 1854)

Onchidorididae J. E. Gray, 1827
Acanthodoris pilosa (Abildgard, 1789)
Adalaria loveni (Alder & Hancock, 1862)
Adalaria proxima (Alder & Hancock, 1854)
Knoutsodonta depressa (Alder & Hancock, 1842)
Knoutsodonta inconspicua (Alder & Hancock, 1851)
Knoutsodonta oblonga (Alder & Hancock, 1845)
Knoutsodonta pusilla (Alder & Hancock, 1845)
Knoutsodonta sparsa (Alder & Hancock, 1846)
Onchidoris bilamellata (Linnè, 1767)
Onchidoris muricata (Müller, 1776)

Polyceroidea Alder & Hancock, 1845
Aegiridae P. Fischer, 1883
Aegires punctilucens (d’Orbigny, 1837)
Aegires incisa (M. Sars in G. O. Sars, 1872)

Polyceridae Alder & Hancock, 1845
Colga pacifica (Bergh, 1894)
Colga villosa (Odhner, 1939)
Limacia clavigera (Müller, 1776)
Palio dubia (M. Sars, 1829)
Palio nothus (Johnston, 1838)
Polycera faeroensis Lemche, 1929
Polycera quadrilineata (Müller, 1776)

Cladobranchia Willan & Morton, 1984

Goniaeolididae Odhner, 1907
Goniaeolis typica M. Sars, 1861

Heroidae Bergh, 1892
Hero formosa (Lovèn, 1841)

Embletoniidae Pruvot-Fol, 1954
Embletonia pulchra Alder & Hancock, 1851

Dendronotoidea Allman, 1845
Dendronotidae J. E. Gray, 1857 sensu Odhner 1936
Dendronotus frondosus (Ascanius, 1774)
Dendronotus europaeus Korshunova, Martynov, Bakken & Picton, 2017
Dendronotus lacteus (Thompson, 1840)
Dendronotus niveus Ekimova, Korshunova, Schepetov, Neretina, Sanamyan & Martynov, 2015
Dendronotus robustus Verrill, 1870

Dotidae J. E Gray, 1853
Doto coronata (Gmeli,, 1791)
Doto crassicornis (M. Sars, 1870)
Doto cuspidata Alder & Hancock, 1862
Doto dunnei Lemche, 1976
Doto fragilis (Forbes, 1838)
Doto koenneckeri Lemche, 1976
Doto maculata (Montagu, 1804)
Doto tuberculata Lemche, 1976

Lomanotidae Bergh, 1890
Lomanotus genei Vérany, 1846

Tritonioidea Lamarck, 1809
Tritoniidae de Lamarck, 1809
Tritonia griegi Odhner, 1922
Tritonia hombergi Cuvier, 1803
Tritonia lineata Alder & Hancock, 1848
Tritonia plebiea Johnston, 1828

Arminoidea Iredale & O’Donoghue, 1923
Arminidae Rafinesque, 1814
Armina loveni (Bergh, 1860)
Heterodoris robusta Verrill & Emerton, 1882

Doridoxoidea Bergh, 1899
Doridoxidae
Bergh, 1899

Doridoxa ingolfiana Bergh, 1899
Doridoxa walteri
(Krause, 1892)

Proctonotoidea Gray, 1853 
Proctonotidae Gray, 1853

Janolus cristatus (delle Chiaje, 1841)
Janolus hyalinus (Alder & Hancock, 1854)
Proctonotus mucroniferus (Alder & Hancock, 1844)

Aeolidioidea Gray, 1827
Aeolidiidae Gray, 1827
Aeolidia papillosa (Linné, 1761)
Aeolidiella glauca (Alder & Hancock, 1845)
Berghia norvegica Odhner, 1939
Zeusia hyperborea Korshunova, Zimina & Martynov, 2017

Facelinidae Bergh, 1889
Facelina bostoniensis (Couthoy, 1838)
Facelina auriculata (Müller, 1776)
Favorinus blianus Lemche & Thompson, 1974
Favorinus branchialis (Rathke, 1806)

Flabellinoidea Bergh, 1889
Cumanotidae Odhner, 1907
Cumanotus beaumonti (Eliot, 1906)

Coryphellidae Bergh, 1889
Borealea nobilis Verrill, 1880
Coryphella verrucosa (M. Sars, 1829)
Fjordia browni (Picton, 1980)
Fjordia chriskaugei Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017
Fjordia lineata (Lovén, 1846)
Gulenia borealis (Odhner, 1922)
Gulenia monicae Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017
Gulenia orjani Korshunova, Martynov, Bakken, Evertsen, Fletcher, Mudianta, Saito, Lundin, Schrödl & Picton, 2017
Microchlamylla gracilis (Alder & Hancock, 1844)

Flabellinidae Bergh, 1889
Edmundsella pedata (Montagu, 1816)
Carronella pellucida (Alder & Hancock, 1843)

Paracoryphellidae M. C. Miller, 1971
Ziminella salmonacea (Couthoy, 1838)

Fionoidea Gray, 1857
Calmidae Iredale & O’Donoghue, 1923
Calma glaucoides Alder & Hancock, 1855

Cuthonellidae Miller, 1971
Cuthonella abyssicola Bergh, 1884
Cuthonella concinna (Alder & Hancock, 1843)
Cuthonella norvegica Odhner, 1929

Cuthonidae Odhner, 1934
Cuthona distans (Odhner, 1922)
Cuthona nana (Alder & Hancock, 1842)

Eubranchidae Odhner, 1934
Eubranchus doriae (Trinchese, 1874)
Eubranchus exiguuus (Alder & Hancock, 1848)
Eubranchus farrani (Alder & Hancock, 1844)
Eubranchus pallidus (Alder & hancock, 1842)
Eubranchus rupium (Møller, 1842)
Eubranchus tricolor Forbes, 1838
Eubranchus vittatus (Alder & Hancock, 1842)

Tergipedidae Bergh, 1899
Tergipes tergipes (Forskål, 1775)

Trinchesiidae F. Nordsieck, 1972
Catriona aurantia (Alder & Hancock, 1842)
Diaphoreolis viridis (Forbes, 1840)
Rubramoena rubescens (Picton & Brown, 1978)
Tenellia adspersa
(Nordmann, 1845)
Trinchesia caerulea (Montagu, 1804)
Trinchesia foliata (Forbes & Goodsir, 1839)
Zelentia pustulata (Alder & Hancock, 1854)